| from the late sixth century | 4 | temporal |
| according to the strata layer | 3 | other |
| from around 600ad | 3 | temporal |
| stone → be → dated | 14 |
| stone → be believed to → date | 6 |
| stone → be thought to → date | 5 |
| negative | neutral | positive |
| 0.095 | 0.845 | 0.060 |
| Raw frequency | 25 |
| Normalized frequency | 0.346 |
| Modifier score | 0.900 |
| Perplexity | 267.050 |